Sultana, Janet, Giorgio Basile, and Gianluca Trifiro’. “Measuring Frailty in Population-Based Healthcare Databases: Multi-Dimensional Prognostic Indices for the Improvement of Geriatric Care”. Geriatric Care 2, no. 1 (April 14, 2016). Accessed April 19, 2024. https://www.pagepressjournals.org/gc/article/view/5596.